<template>
  <view v-if="goods_info.goods_name" class="goods-detail-container">
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in goods_info.pics" :key="i">
        <image class="swiper-item" :src="item.pics_big" @click="prevew(i)"></image>
      </swiper-item>
    </swiper>
    <!-- 商品信息 -->
    <view class="goods-info-box">
      <view class="price">￥{{goods_info.goods_price}}</view>
      <view class="goods-info-body">
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yunfei">快递:不免运费……</view>
    </view>
    <!-- 富文本 -->
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    <!-- 加入购物车 -->
    <view class="goods-nav">
      <uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick" />
    </view>
  </view>
</template>

<script>
  import {mapState,mapActions,mapGetters,mapMutations} from 'vuex'
  export default {
    computed:{
      ...mapState('Cart',['cart']),
      ...mapGetters('Cart',['total'])
    },
    watch:{
      total:{
        handler:function(newval){
          const result = this.options.find(x => x.text === '购物车')
          // console.log(result);
          if(result){
            result.info = newval;
          }
        },
        immediate:true
      }
    },
    data() {
      return {
        goods_info: {},
        options: [{//商品详情数据 左
          icon: 'headphones',
          text: '客服'
        }, {
        	 icon: 'shop',
          text: '店铺',
          info: 1,
          infoBackgroundColor: '#007aff',
          infoColor: "red"
        }, {
          icon: 'cart',
          text: '购物车',
        	 info: 0
        }],
        buttonGroup: [{//右
            text: '加入购物车',
            backgroundColor: '#ff0000',
            color: '#fff'
          },
          {
            text: '立即购买',
            backgroundColor: '#ffa200',
            color: '#fff'
          }
        ]
      };
    },
    onLoad(options) {
      const id = options.goods_id;
      this.getGoodsDetail(id);
    },
    methods: {
      ...mapActions('Cart',['addToCart']),
      async getGoodsDetail(goods_id) {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/goods/detail', {
          goods_id
        });
        if (res.meta.status !== 200) return uni.$showMsg();
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img/g,
        "<img style='display:block;'").replace(/webp/g,'jpg'); //处理一下
        this.goods_info = res.message;
      },
      prevew(i) {
        uni.previewImage({ //图片的预览api
          urls: this.goods_info.pics.map(item => item.pics_big),
          current: i, //从第i项开始
        })
      },
      onClick(e) {
        if(e.content.text === '购物车'){
          uni.switchTab({
            url:'/pages/cart/cart'
          })
          return;
        }
        uni.showToast({
          title: `点击了${e.content.text},但可能没用`,
          icon: 'none'
        })
      },
      buttonClick(e) {
        // console.log(e)
        // this.options[2].info++;
        if(e.content.text === '加入购物车'){
          //商品对象
          const goods = {
            goods_id:this.goods_info.goods_id,
            goods_name:this.goods_info.goods_name,
            goods_count:1,
            goods_price:this.goods_info.goods_price,
            goods_small_logo:this.goods_info.goods_small_logo,
            goods_state:true
          }
          // console.log(goods);
          this.addToCart(goods)
        };
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 750rpx;

    .swiper-item {
      width: 100%;
      height: 100%;
    }
  }

  .goods-info-box {
    padding: 10px 0 10px 10px;

    .price {
      color: #c00000;
      font-size: 18px;
      margin: 10px 0;
    }

    .goods-info-body {
      display: flex;
      justify-content: space-between;

      .goods-name {
        font-size: 13px;
        margin-right: 10px;
      }

      .favi {
        display: flex;
        width: 120px;
        font-size: 12px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        border-left: 1px solid #eee;
        color: gray;
      }
    }

    .yunfei {
      font-size: 12px;
      color: gray;
      margin: 10px 0;
    }
  }
  .goods-nav{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
  }
  .goods-detail-container{
    padding-bottom: 50px;
  }
</style>
